Coaster for beverage container



FIG. 1 is a perspective view of a coaster for beverage container showing my new design;

FIG. 2 is a front view (back view and both side views are same) thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

The broken lines in the drawings illustrate the portions of the design that form no part of the claim. 

The ornamental design for a coaster for beverage container, as shown and described. 